Census Data API: step-by-step building blocks for queries
Jul 29, 2026
Tyson Weister of the U.S. Census Bureau demonstrated how to construct API requests: start with api.census.gov/data, choose the dataset, set get= variables, specify geography (wildcards allowed), and append an API key; he used a 2010 SF1 example for Idaho tracts.
The full story
Tyson Weister, a data dissemination specialist on the Census team for data.census.gov and the API, opened the API segment by emphasizing that the API is RESTful and supports web-browser requests. "What I'm here to talk about today is the census data API," he said, and walked attendees through the discovery tool where nearly 1,780 detailed dataset entries are listed.
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